stats_rand_gen_f

(PECL stats >= 1.0.0)

stats_rand_gen_f — Generates a random deviate from the F distribution

Descrizione

floatstats_rand_gen_f
( float$dfn
, float$dfd
)

Generates a random deviate from the F (variance ratio) distribution with
"dfn" degrees of freedom in the numerator and "dfd" degrees of freedom in
the denominator. Method : directly generates ratio of chisquare variates.